func TestPreloadGoroutine(t *testing.T) {
	var wg sync.WaitGroup

	wg.Add(10)
	for i := 0; i < 10; i++ {
		go func() {
			defer wg.Done()
			var user2 []User
			tx := DB.Where("id = ?", 1).Session(&gorm.Session{})

			if err := tx.Preload("Team").Find(&user2).Error; err != nil {
				t.Error(err)
			}
		}()
	}
	wg.Wait()
}

func TestPreloadWithDiffModel(t *testing.T) {

func (db *DB) Migrator() Migrator {
	tx := db.getInstance()

	// apply scopes to migrator
	for len(tx.Statement.scopes) > 0 {
		tx = tx.executeScopes()
	}

	return tx.Dialector.Migrator(tx.Session(&Session{}))
}

// AutoMigrate run auto migration for given models
func (db *DB) AutoMigrate(dst ...interface{}) error {
	return db.Migrator().AutoMigrate(dst...)
}

// ViewOption view option

	if err != nil {
		err = msgp.WrapError(err, "Versions")
		return
	}
	if cap(z.Versions) >= int(zb0002) {
		z.Versions = (z.Versions)[:zb0002]
	} else {
		z.Versions = make([]FileInfo, zb0002)
	}
	for za0001 := range z.Versions {
		err = z.Versions[za0001].DecodeMsg(dc)
		if err != nil {
			err = msgp.WrapError(err, "Versions", za0001)
			return
		}
	}
	var zb0003 uint32

	}
}

func TestGORMValuer(t *testing.T) {
	type UserWithPoint struct {
		Name  string
		Point Point
	}

	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Create(&UserWithPoint{
		Name:  "jinzhu",
		Point: Point{X: 100, Y: 100},
	}).Statement

	if stmt.SQL.String() == "" || len(stmt.Vars) != 2 {

						return err
					}
				default:
					return gorm.ErrInvalidData
				}
			} else {
				tx := db.Table("").Session(&gorm.Session{Context: db.Statement.Context, SkipHooks: db.Statement.SkipHooks})
				tx.Statement.ReflectValue = db.Statement.ReflectValue
				tx.Statement.Unscoped = db.Statement.Unscoped

	if err := DB.Delete(&User{}).Error; err == nil || !errors.Is(err, gorm.ErrMissingWhereClause) {
		t.Errorf("should returns missing WHERE clause while deleting error")
	}

	if err := DB.Session(&gorm.Session{AllowGlobalUpdate: true}).Delete(&User{}).Error; err != nil {
		t.Errorf("should returns no error while enable global update, but got err %v", err)
	}
}

func TestDeleteWithAssociations(t *testing.T) {

	}

	if name := DB.Dialector.Name(); name != "sqlserver" {
		type RestrictedLanguage struct {
			Code string `gorm:"primarykey"`
			Name string
			Lang string `gorm:"<-:create"`
		}

		r := DB.Session(&gorm.Session{DryRun: true}).Clauses(clause.OnConflict{UpdateAll: true}).Create(&RestrictedLanguage{Code: "upsert_code", Name: "upsert_name", Lang: "upsert_lang"})

	}

	DB.Model(&product).Session(&gorm.Session{SkipHooks: true}).Updates(Product3{Code: "L1216"})
	if product.Price != 320 || product.Code != "L1216" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	var result2 Product3
	DB.First(&result2, product.ID)

	AssertEqual(t, result2, product)

	product2 := Product3{Name: "Product", Price: 0}
	DB.Session(&gorm.Session{SkipHooks: true}).Create(&product2)

			t.Fatalf("rows affected expects: %v, got %v", 1, results.RowsAffected)
		}

		u1 = user{} // important to reinitialize this before creating it again
		u2 := user{}
		db := DB.Session(&gorm.Session{CreateBatchSize: 10})

		if results := db.Create([]*user{&u1, &u2}); results.Error != nil {
			t.Fatalf("errors happened on create: %v", results.Error)
		} else if results.RowsAffected != 2 {

            extraSteps = extraBuildSteps,
            preSteps = preBuildSteps,
        )

        failureConditions {
            // JavaExecDebugIntegrationTest.debug session fails without debugger might cause JVM crash
            // Some soak tests produce OOM exceptions
            // There are also random worker crashes for some tests.
            // We have test-retry to handle the crash in tests